matiex | c38b853587846014052d5b2206e8764dac66f7de9479ec3080e1872938bd7ceb

General

Target

4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe
Size

669KB
MD5

4fa42a8beb305337e28cede06ceefa62
SHA1

1ad401dc70385788123ae837eea020a9c1d9e9d9
SHA256

c38b853587846014052d5b2206e8764dac66f7de9479ec3080e1872938bd7ceb
SHA512

81dc56b84e3e95169de458d5842c50347455365388b96155aa25a7fea27dc756d20180265ee2b796b2d6ebc2d04d622a6fa9259877f371e956e1458415046807
SSDEEP

12288:mEcQS8zfwkDWsWUZT3HVCuNhzmSEuH/KVTXr2tb:Fcn8zfw+WUZT3HVCuNhqWfKFXr2t

Score

10^/10

matiex collection execution keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
MARYolanmauluogwo@ever

Signatures

Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
stealer keylogger matiex

Matiex Main payload 5 IoCs

resource	yara_rule
behavioral1/memory/2028-21-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/2028-23-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/2028-19-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/2028-16-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/2028-15-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex

Beds Protector Packer 1 IoCs

Detects Beds Protector packer used to load .NET malware.

resource	yara_rule
behavioral1/memory/2972-3-0x0000000004A90000-0x0000000004B36000-memory.dmp	beds_protector

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe	Powershell.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	checkip.dyndns.org
4	freegeoip.app
5	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2972 set thread context of 2028	2972	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	31

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2324	Powershell.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2620	2028	WerFault.exe	31

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2324	Powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2324	Powershell.exe
Token: SeDebugPrivilege	2028	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2324	2972	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	29
PID 2972 wrote to memory of 2324	2972	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	29
PID 2972 wrote to memory of 2324	2972	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	29
PID 2972 wrote to memory of 2324	2972	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	29
PID 2972 wrote to memory of 2028	2972	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2028	2972	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2028	2972	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2028	2972	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2028	2972	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2028	2972	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2028	2972	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2028	2972	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2028	2972	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	31
PID 2028 wrote to memory of 2620	2028	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	33
PID 2028 wrote to memory of 2620	2028	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	33
PID 2028 wrote to memory of 2620	2028	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	33
PID 2028 wrote to memory of 2620	2028	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe'
  2⤵
  - Drops startup file
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2324
- C:\Users\Admin\AppData\Local\Temp\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 1172
    3⤵
    - Program crash
    PID:2620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2028-19-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2028-23-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2028-15-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2028-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2028-13-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2028-16-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2028-14-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2028-21-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2324-9-0x000000006F160000-0x000000006F70B000-memory.dmp

Filesize
5.7MB

Download
memory/2324-7-0x000000006F160000-0x000000006F70B000-memory.dmp

Filesize
5.7MB

Download
memory/2324-8-0x000000006F160000-0x000000006F70B000-memory.dmp

Filesize
5.7MB

Download
memory/2324-24-0x000000006F160000-0x000000006F70B000-memory.dmp

Filesize
5.7MB

Download
memory/2324-6-0x000000006F161000-0x000000006F162000-memory.dmp

Filesize
4KB

Download
memory/2324-10-0x000000006F160000-0x000000006F70B000-memory.dmp

Filesize
5.7MB

Download
memory/2972-25-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2972-1-0x0000000000310000-0x00000000003BE000-memory.dmp

Filesize
696KB

Download
memory/2972-0-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/2972-3-0x0000000004A90000-0x0000000004B36000-memory.dmp

Filesize
664KB

Download
memory/2972-11-0x00000000003D0000-0x00000000003E6000-memory.dmp

Filesize
88KB

Download
memory/2972-2-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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